Answer:
17.5 cm
Step-by-step explanation:
Multiply 0.7 by 25 to get 17.5 cm.
Hope it helped.
Answer:

Step-by-step explanation:

Use distributive property


Collect like terms

Hope I helped!
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Answer:
13608x^3y^5
Step-by-step explanation:
(x-3y)^8 expanded form:
x^8 - 24x^7y + 252x^6y^2 - 1512x^5y^3 + 5670x^4y^4 - 13608x^3y^5 + .....
13608x^3y^5
1. 9.6 x 10^5
2. 2.2 x 10^-4
3. 1.200565885 x 10^8 or 1.2 x 10^8